public class Example5_1{
	public static void main(String args[]){
		Student jia = new Student();
		jia.age = 20;
		jia.number = 20165204;
		jia.showPeopleMess();
		jia.tellNumber();
		int x = 9, y= 29 ;
		System.out.print("会做加法：");
		int result=jia.add(x,y);
		System.out.printf("%d+%d=%d\n",x,y,result);
		UniverStudent li = new UniverStudent();
		li.age = 28;
		li.number = 20165207;
		li.showPeopleMess();
		li.tellNumber();
		System.out.print("会做加法：");
		result=li.add(x,y);
		System.out.printf("%d+%d=%d\t",x,y,result);
		System.out.print("会做乘法：");
		result = li.multi(x,y);
		System.out.printf("%d*%d=%d\n",x,y,result);
	}
}

